Some of the most common viruses, like the flu, travel through the air. There are two ways viruses can travel through the air. The first is by sneezing, coughing or dropping mucus from our nose. When you are infected with an airborne virus, the virus can travel along with the droplets of fluid you cough, sneeze or drop out. The other way for airborne viruses to spread, is when they float in a cluster or fog of really small droplets. Learn everything about airborne viruses. In this forum, you can ask the experts all your questions and discuss topics with other students.